Stainless Steel Economizer Coils from China
Corrosion-resistant stainless steel helical coils designed for economizer service in biomass boilers. HTS 8404.10.00.10 classification as boiler auxiliary plant due to specific design for flue gas heat recovery. Rated for alkaline combustion environments.
Duty Rate — China → United States
41%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Specify stainless steel alloy type (304/316L typical); provide corrosion test data; ensure coil pressure ratings documented for customs inspection